PCF8574PW vs PCF85263ATT/AJ

This in-depth comparison of the PCF8574PW and PCF85263ATT/AJ provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

PCF8574PW

Texas Instruments

Lifecycle: Active
Stock: 1212 PCS
Series: Interface - I-O Expanders

+BOM RFQ

Part B

PCF85263ATT/AJ

NXP USA Inc.

Lifecycle: Active
Stock: 9950 PCS
Series: Clock-Timing - Real Time Clocks

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	PCF8574PW	PCF85263ATT/AJ
Part Status	Obsolete	Active
Digi Key Programmable	Not Verified	Not Verified
Type	-	Clock/Calendar
Features	POR	Alarm, Leap Year, Watchdog Timer
Time Format	-	HH:MM:SS:hh (12/24 hr)
Date Format	-	YY-MM-DD-dd
Interface	I2C	I2C, 2-Wire Serial
Voltage - Supply	2.5V ~ 6V	0.9V ~ 5.5V
Voltage - Supply, Battery	-	0.9V ~ 5.5V
Current - Timekeeping (Max)	-	0.885µA @ 3.3V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount
Base Product Number	PCF8574	PCF85263
Number of I/O	8	-
Interrupt Output	Yes	-
Output Type	Push-Pull	-
Current - Output Source / Sink	1mA, 25mA	-
Clock Frequency	100 kHz	-
Packaging	Tube	-

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